Home / 19,758.08-27,265.86-10,805.36

Finding the Fourth Proportional to 19,758.08, 27,265.86 and 10,805.36

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Solution

The fourth proportional to 19,758.08, 27,265.86 and 10,805.36 is: 14,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.08 : 27,265.86 = 10,805.36 : x
  2. Step 2: Convert to fraction form
    19,758.08/27,265.86 = 10,805.36/x
  3. Step 3: Cross multiply
    19,758.08x = 27,265.86 × 10,805.36
  4. Step 4: Simplify right side
    19,758.08x = 294,617,296.68
  5. Step 5: Solve for x
    x = 294,617,296.68/19,758.08
  6. Step 6: Final answer
    x = 14,911.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.